Buggy code:
public abstract class RequestCycle { private static final ThreadLocal current = new ThreadLocal ( ) ; private static final int DETACH_REQUEST = 6 ; private static final int DONE = 7 ; private static final int HANDLE_EXCEPTION = 5 ; private static final Logger log = LoggerFactory . getLogger ( RequestCycle . class ) ; private static final int NOT_STARTED = 0 ; private static final int PREPARE_REQUEST = 1 ; private static final int PROCESS_EVENTS = 3 ; private static final int RESOLVE_TARGET = 2 ; private static final int RESPOND = 4 ; private boolean automaticallyClearFeedbackMessages = true ; public static RequestCycle get ( ) { } protected static void set ( RequestCycle cycle ) { } private int currentStep = RequestCycle . NOT_STARTED ; private final Response originalResponse ; private boolean redirect ; private final transient ArrayListStack requestTargets = new ArrayListStack ( 3 ) ; private final long startTime = System . currentTimeMillis ( ) ; protected final Application application ; protected final IRequestCycleProcessor processor ; protected Request request ; protected Response response ; private Session session ; protected RequestCycle ( final Application application , final Request request , final Response response ) { } public final Application getApplication ( ) { } public final ClientInfo getClientInfo ( ) { } public final Response getOriginalResponse ( ) { } public abstract IRequestCycleProcessor getProcessor ( ) { } public final boolean getRedirect ( ) { } public boolean isRedirect ( ) { } public final Request getRequest ( ) { } public final IRequestTarget getRequestTarget ( ) { } public final Response getResponse ( ) { } public final Page getResponsePage ( ) { } public final Class getResponsePageClass ( ) { } private boolean sessionExists ( ) { } public final Session getSession ( ) { } public final long getStartTime ( ) { } public Page onRuntimeException ( Page page , RuntimeException e ) { } public abstract void redirectTo ( final Page page ) { } public final void request ( ) { } public final void request ( final Component component ) { } public final void request ( IRequestTarget target ) { } public void setAutomaticallyClearFeedbackMessages ( boolean automaticallyClearFeedbackMessages ) { } public final void setRedirect ( final boolean redirect ) { } public final void setRequest ( Request request ) { } public final void setRequestTarget ( IRequestTarget requestTarget ) { } public final Response setResponse ( final Response response ) { } public final void setResponsePage ( final Class pageClass ) { } public final void setResponsePage ( final Class pageClass , final PageParameters pageParameters ) { } public final void setResponsePage ( final Page page ) { } public String toString ( ) { } public final CharSequence urlFor ( final Component component , final IBehavior behaviour , final RequestListenerInterface listener ) { } public final CharSequence urlFor ( final Component component , final RequestListenerInterface listener ) { final Page page = component . getPage ( ) ; final IRequestTarget target ; if ( ( ( listener != ( IRedirectListener . INTERFACE ) ) && ( component . isStateless ( ) ) ) && ( page . isBookmarkable ( ) ) ) { <START_BUG> target = new org . apache . wicket . request . target . component . BookmarkableListenerInterfaceRequestTarget ( page . getPageMap ( ) . getName ( ) , page . getClass ( ) , new PageParameters ( ) , component , listener ) ; <END_BUG> } else { page . setPageStateless ( Boolean . FALSE ) ; final Session session = getSession ( ) ; if ( session . isTemporary ( ) ) { session . bind ( ) ; } target = new org . apache . wicket . request . target . component . listener . ListenerInterfaceRequestTarget ( page , component , listener ) ; } final IRequestCodingStrategy requestCodingStrategy = getProcessor ( ) . getRequestCodingStrategy ( ) ; return requestCodingStrategy . encode ( this , target ) ; } public final CharSequence urlFor ( final Class pageClass , final PageParameters parameters ) { } public final CharSequence urlFor ( final IPageMap pageMap , final Class pageClass , final PageParameters parameters ) { } public final CharSequence urlFor ( final IRequestTarget requestTarget ) { } public final CharSequence urlFor ( final Page page ) { } public final CharSequence urlFor ( final ResourceReference resourceReference ) { } public final CharSequence urlFor ( final ResourceReference resourceReference , ValueMap parameters ) { } private void checkReuse ( ) { } private void detach ( ) { } private void prepare ( ) { } private final void processEventsAndRespond ( ) { } private final void respond ( ) { } private final IRequestCycleProcessor safeGetRequestProcessor ( ) { } private final void step ( ) { } private final void steps ( ) { } private final void threadDetach ( ) { } protected void logRuntimeException ( RuntimeException e ) { } protected abstract ClientInfo newClientInfo ( ) { } protected void onBeginRequest ( ) { } protected void onEndRequest ( ) { } }

Fix:
target = new org . apache . wicket . request . target . component . BookmarkableListenerInterfaceRequestTarget ( page . getPageMapName ( ) , page . getClass ( ) , new PageParameters ( ) , component , listener ) ;